<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>键盘事件</title>
    <style>
        #result{
            width: 500px;
            height: 400px;
            border:solid 1px #666;
        }
    </style>
</head>
<body>
    <div id="root"> </div>

    <script src="../js/react.development.js"></script>
    <script src="../js/react-dom.development.js"></script>
    <script src="../js/babel.min.js"></script>

    <script type="text/babel">
        class App extends React.Component{

            render(){
                return <div>
                        <input type="text" onChange={this.change} />
                        <button onClick={this.click}>点击</button>
                    </div>
            }

            change = () => {
                console.log('改变了')
            }

            click = () => {
                console.log('点击了我')
            }
           
        }

        ReactDOM.render(<App />, document.querySelector("#root"));
    </script>
</body>
</html>